<template>
    <transition name="drop">
        <div class="top-tip" v-show="showFlag" @click.stop="hide">
            <slot></slot>
        </div>
    </transition>
</template>

<script>
  export default {
    props: {
      delay: {
        type: Number,
        default: 2000
      }
    },
    data() {
      return {
        showFlag: false
      }
    },
    methods: {
      show() {
        this.showFlag = true
        clearTimeout(this.timer)
        this.timer = setTimeout(() => {
          this.hide()
        }, this.delay)
      },
      hide() {
        this.showFlag = false
      }
    }
  }
</script>

<style lang="stylus" scoped>
    @import "../../common/stylus/variable"
    .top-tip
        position: fixed
        top: 0
        width: 100%
        z-index: 500
        background: $color-dialog-background
        &.drop-enter-active, &.drop-leave-active
            transition: all 0.3s
        &.drop-enter, &.drop-leave-to
            transform: translate3d(0, -100%, 0)
</style>
